Linux Distros Unpatched Vulnerability : CVE-2026-0887

medium Nessus Plugin ID 282662

Language:

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. (CVE-2026-0887)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: Medium

ID: 282662

File Name: unpatched_CVE_2026_0887.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 1/13/2026

Updated: 1/13/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2026-0887

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:firefox-flatpak, cpe:/o:centos:centos:7, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:redhat:enterprise_linux:firefox-flatpak, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:9, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:firefox, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:debian:debian_linux:firefox-esr, p-cpe:/a:centos:centos:firefox-x11, p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:firefox-x11, cpe:/o:debian:debian_linux:12.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:debian:debian_linux:13.0

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2026-0887

Detections

Analytics